Evidence map›Paper›PMID 41832062›Full record

ArticleChinese journal of traumatology = Zhonghua chuang shang za zhi2026

Dual receptor therapy with pituitrin for spinal cord injury-induced diabetes insipidus: A propensity-matched retrospective cohort study.

Lianhua Li, Jie Gao, Hao Wang, Zhonghe Wang, Hua Chen, Zhi Liu

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Article in Chinese journal of traumatology = Zhonghua chuang shang za zhi, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Lianhua LiSenior Department of Orthopedics, Chinese PLA Hospital, Beijing, 100048, China. Electronic address: 15901170726@163.com.
Jie GaoSenior Department of Orthopedics, Chinese PLA Hospital, Beijing, 100048, China.
Hao WangSenior Department of Orthopedics, Chinese PLA Hospital, Beijing, 100048, China.
Zhonghe WangSenior Department of Orthopedics, Chinese PLA Hospital, Beijing, 100048, China.
Hua ChenSenior Department of Orthopedics, Chinese PLA Hospital, Beijing, 100048, China.
Zhi LiuSenior Department of Orthopedics, Chinese PLA Hospital, Beijing, 100048, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeSpinal cord injury (SCI)-induced diabetes insipidus (DI) presents a unique therapeutic challenge due to concurrent autonomic hypotension unresponsive to conventional desmopressin. This study evaluates the clinical efficacy of Pituitrin, a synthetic vasopressin analog with dual V1a/V2 receptor agonism, designed to simultaneously address antidiuretic hormone deficiency and hemodynamic instability in acute SCI-related DI.

methodsIn this retrospective propensity-matched cohort study, 317 consecutive acute SCI patients (2010 -2021) were screened, with 60 (18.9%) developing DI. Patients were stratified into a Pituitrin-treated group (2014 - 2021, n = 30) and historical controls (2010 - 2013, n = 30). Propensity score matching (1:1 nearest-neighbor, caliper = 0.2 standard deviation) adjusted for age, American Spinal Injury Association (ASIA) grade, injury level (cervical/thoracic), concurrent mild brain injury (Glasgow coma scale 13 - 15), and treatment era covariates, yielding 23 matched pairs. Post-matching groups demonstrated balanced baseline characteristics with cervical injury prevalence 95.7% and ASIA grade A/B injuries 100%. The intervention group received protocolized Pituitrin infusion (initial 1 U/h, titrated 0.5 - 5 U/h based on urine output) with fluid restriction (<2000 mL/day), while controls received standard care including desmopressin and vasopressors as needed. Primary outcomes included DI duration (days to urine output <3000 mL/day concurrent with serum sodium ≥135 mmol/L), in-hospital mortality, and hospitalization length.

resultsThis study of 317 acute SCI patients (84% male) revealed DI developed in 18.9% (60/317), with striking cervical predominance (57 (31.0%) cervical vs. 3 (4.9%) thoracic SCI; χ

conclusionThis study establishes the first evidence-based protocol for dual V1a/V2 receptor targeting in SCI-induced DI, demonstrating that early Pituitrin administration achieves rapid antidiuresis (median 8-day resolution) while stabilizing hemodynamics (87% vasopressor independence). The 26% absolute mortality reduction (NNT = 3.85) and shortened hospitalization (Δ5 days) suggest promising therapeutic potential, especially for cervical complete injuries, and warrant further validation in larger prospective cohorts. These findings establish a novel treatment paradigm addressing the pathophysiological triad of arginine vasopressin deficiency, autonomic hypotension, and hyponatremia unique to acute SCI.

Indexed as

Diabetes InsipidusReceptors, VasopressinSpinal Cord InjuriesAdultFemaleHumansMaleMiddle AgedPropensity ScoreRetrospective StudiesTreatment OutcomeReceptors, VasopressinAutonomic hypotensionDiabetes insipidusPituitrinPropensity score matchingSpinal cord injuryVasopressin V1a/V2 receptors

Identifiers

PMID41832062
PMCPMC13654353

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.